Title:
The manhole or measure using inner secondary tube fitting and it
Document Type and Number:
Japanese Patent JP6231941
Kind Code:
B2
Inventors:
Tomoaki Inuchi
Masuda Etsuo
Kazutaka Higuchi
Sadao Sasaoka
Masuda Etsuo
Kazutaka Higuchi
Sadao Sasaoka
Application Number:
JP2014097309A
Publication Date:
November 15, 2017
Filing Date:
May 09, 2014
Export Citation:
Assignee:
Kubota Mix Co., Ltd.
Tokyo Metropolitan Sewerage Service Co., Ltd.
Tokyo Metropolitan Sewerage Service Co., Ltd.
International Classes:
E03F5/02; E02D29/12; F16L41/08
Domestic Patent References:
| JP2012188840A | ||||
| JP20024313A | ||||
| JP201158222A | ||||
| JP2007100410A |
Foreign References:
| US6074130 | ||||
| US20130068308 |
Attorney, Agent or Firm:
Yoshito Yamada
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